The boring answer is something like a bond or CD ladder, or treasury bill focused ETF that’ll give you 3% a year before taxes.

2 million dollars can safely net you 50,000 a year without working.

And since it’s mostly federal bonds, you could be tax exempt up to a certain amount.

Of course this is the US POV.

And there are riskier investments that can hit 8ish% with only $600,000, but you’ll be at the whim of high risk high reward.

If you’re wanting to hit the tax free limit of $15,750 a year (total income) then 3% APY is $525k.

Or go super risky run options.